From: Antonio Quartulli <antonio@meshcoding.com>
Date: Tue, 21 Jan 2014 10:22:05 +0000 (+0100)
Subject: batman-adv: fix soft-interface MTU computation
X-Git-Tag: v3.14-rc4~30^2~7^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=930cd6e46eadce8b8ed2a232ee536e5fd286c152;p=pandora-kernel.git

batman-adv: fix soft-interface MTU computation

The current MTU computation always returns a value
smaller than 1500bytes even if the real interfaces
have an MTU large enough to compensate the batman-adv
overhead.

Fix the computation by properly returning the highest
admitted value.

Introduced by a19d3d85e1b854e4a483a55d740a42458085560d
("batman-adv: limit local translation table max size")

Reported-by: Russell Senior <russell@personaltelco.net>
Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
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